/Engine/Source/Developer/Localization/Public/LocTextHelper.h
Add a new translation to the given archive.
Returns true if it was added successfully, false otherwise.
bool AddTranslation ( const [FString](API\Runtime\Core\Containers\FString) & InCulture, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FArchiveEntry](API\Runtime\Core\Internationalization\FArchiveEntry) > & InEntry )